Path: utzoo!utgpu!water!watmath!clyde!att!mtunj!io!tmk From: tmk@io.ATT.COM (59481[rjb]-t.m.ko) Newsgroups: sci.electronics Subject: Re: Please compare RS232,RS232C,RS485,RS422 Message-ID: <794@io.ATT.COM> Date: 5 Aug 88 19:22:05 GMT References: <6436@aw.sei.cmu.edu> <1988Aug3.160654.9644@utzoo.uucp> Reply-To: tmk@io.UUCP (59481[rjb]-t.m.ko) Organization: AT&T, Middletown, NJ Lines: 10 In article <1988Aug3.160654.9644@utzoo.uucp> henry@utzoo.uucp (Henry Spencer) writes: > >RS232 Usually a synonym for RS232C, the most modern version of RS232. ^^^^^^^^^^^^^ > RS232B and its predecessors are so ancient that they're quite > irrelevant nowadays. > I believe the most modern version is RS232D -tmk